相位法估计信号源数

被引:7
作者
张翼
柯亨玉
文必洋
吴雄斌
机构
[1] 武汉大学电子信息学院
[2] 武汉大学电子信息学院 湖北武汉
[3] 湖北武汉
关键词
高频地波雷达; 谐波恢复; 目标检测; 信号源数; 相位;
D O I
10.14188/j.1671-8836.2003.01.033
中图分类号
TN911.72 [数字信号处理];
学科分类号
0711 ; 080401 ; 080402 ;
摘要
针对高频地波雷达用谐波恢复在频域进行目标检测时 ,无法有效确定信号源数的问题 ,提出了一种利用回波的相位确定信号源数的方法 .阐述了该方法的理论根据和信号的处理过程 ,实测数据的处理结果表明相位法估计信号源数要优于常规的AIC法
引用
收藏
页码:137 / 140
页数:4
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